BEE STICKY Chemical analyses show that a barbed bone point from Germany dating to around 13,000 years ago, shown from two sides, contains remnants of a beeswax glue near its base, left. (sciencenews.org)
«The bottom line is that the high level of succinate combined with the finding of more fragile bone points to a new target to protect bone,» said Yuqi Guo, MD, associate research scientist at NYU Dentistry, and the study's first author. (sciencedaily.com)
Bone points punctured effectively, flaked stone created a greater incision, and the microblade was best for lacerated wounds. (sciencedaily.com)